roadhog依赖替换为webpack

package.json

@@ -70,6 +70,6 @@
     "raw-loader": "^0.5.1",
     "react-test-renderer": "^16.2.0",
     "redbox-react": "^1.5.0",
-    "roadhog": "^2.3.0-beta.1"
+    "webpack": "^4.4.1"
   }
 }